NAME | SYNOPSIS | INTERFACE LEVEL | PARAMETERS | DESCRIPTION | CONTEXT | SEE ALSO | NOTES
#include <sys/ddi.h> #include <sys/sunddi.h>void ddi_rep_put8(ddi_acc_handle_t handle, uint8_t *host_addr, uint8_t *dev_addr, size_t repcount, uint_t flags);
Solaris DDI specific (Solaris DDI ).
The data access handle returned from setup calls, such as ddi_regs_map_setup(9F) .
Base host address.
Base device address.
Number of data accesses to perform.
Automatically increment the device address, dev_addr , during data accesses.
Do not advance the device address, dev_addr , during data accesses.
These routines generate multiple writes to the mapped memory or device register. repcount data is copied from the host address, host_addr , to the device address, dev_addr . For each input datum, the ddi_rep_put8() , ddi_rep_put16() , ddi_rep_put32() , and ddi_rep_put64() functions write 8 bits, 16 bits, 32 bits, and 64 bits of data, respectively, to the device address, dev_addr . dev_addr and host_addr must be aligned to the datum boundary described by the function.
Each individual datum will automatically be translated to maintain a consistent view between the host and the device based on the encoded information in the data access handle. The translation may involve byte-swapping if the host and the device have incompatible endian characteristics.
When the flags argument is set to DDI_DEV_AUTOINCR , these functions treat the device address, dev_addr , as a memory buffer location on the device and increment its address on the next input datum. However, when the flags argument is set to DDI_DEV_NO_AUTOINCR , the same device address will be used for every datum access. For example, this flag may be useful when writing to a data register.
These functions can be called from user, kernel, or interrupt context.
ddi_get8(9F) , ddi_put8(9F) , ddi_regs_map_free(9F) , ddi_regs_map_setup(9F) , ddi_rep_get8(9F) , ddi_device_acc_attr(9S)
The functions described in this manual page previously used symbolic names which specified their data access size; the function names have been changed so they now specify a fixed-width data size. See the following table for the new name equivalents:
Previous Name | New Name |
---|---|
ddi_rep_putb | ddi_rep_put8 |
ddi_rep_putw | ddi_rep_put16 |
ddi_rep_putl | ddi_rep_put32 |
ddi_rep_putll | ddi_rep_put64 |
NAME | SYNOPSIS | INTERFACE LEVEL | PARAMETERS | DESCRIPTION | CONTEXT | SEE ALSO | NOTES